What color is #4B59FA?

#4B59FA is a light, vivid blue-violet. In RGB it is rgb(75, 89, 250), and in HSL hsl(235, 95%, 64%).

Is #4B59FA accessible as text?

On white, #4B59FA has a contrast ratio of 5.11:1 (passes WCAG AA for body text); on black it is 4.11:1 (fails). For text placed on #4B59FA, use white for the best readability.

What is the closest Tailwind color to #4B59FA?

The nearest Tailwind CSS token is indigo-500 (#615FFF).

What colors go well with #4B59FA?

#4B59FA pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #FAEC4C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4B59FA below.

Is #4B59FA good for buttons?

#4B59FA works well for buttons and highlights, but use white text on #4B59FA — black text only reaches 4.11:1, below the 4.5:1 needed for normal-size labels.

Is #4B59FA the same as CSS royalblue?

No — #4B59FA is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#4B59FA Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4B59FA

Not just a swatch — here's how #4B59FA works with other colors. Named schemes with #4B59FA in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #4B59FA Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #6D86FF

Iris is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Iris.

Coastal Morning Lead · 5 colors

Lead #4B59FA Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Iris opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Berry & Cream Lead · 5 colors

Lead #4B59FA Surface #F6E5D8 Anchor #5B2143 Accent #E5C2C9 Secondary #322B2F

Iris sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #4B59FA Secondary #8B9AD1 Support #9D8F88 Ink #18140F

Iris is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Iris carrying the quiet middle.

Sunset Warmth Glow · 5 colors

Glow #4B59FA Secondary #E86A73 Accent #F6924F Anchor #573B58 Surface #F7E7D7

Iris glows at the center of this sunset palette, joined by coral and gold, deepened by a plum anchor and cooled with cream.

Build a working theme in the generator →

Color Lab

How #4B59FA actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 13/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 49/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 13/100

Very low

Clean and current — no dusty, aged cast.

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 91/100

Very high

Bold and ownable — memorable as a primary brand color.

UI accent fit 68/100

High

Strong interactive accent — visible and can carry a legible label.

Surface fit 13/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 61/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #4B59FA

For UI

For branding

For interior

For fashion

People also use #4B59FA with

Bright Sky Blue Violet Naples Yellow Gainsboro Prussian Blue

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 5.1:1. Use

Subtle surface Use #E0E2F9 for cards and hover fills. Tint 80

Avoid beside #784CFA — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #4B59FA at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #4B59FA;
  --color-base-rgb: 75 89 250;
  --color-base-oklch: oklch(55.6% 0.236 272.2);
  --color-50: #F0F1FE;
  --color-100: #D8DBFD;
  --color-200: #B1B7FC;
  --color-300: #7A85F5;
  --color-400: #4A57E8;
  --color-500: #2735CE;
  --color-600: #26309C;
  --color-700: #21276E;
  --color-800: #1A1D47;
  --color-900: #12142B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  iris: {
    50: '#F0F1FE',
    100: '#D8DBFD',
    200: '#B1B7FC',
    300: '#7A85F5',
    400: '#4A57E8',
    500: '#2735CE',
    600: '#26309C',
    700: '#21276E',
    800: '#1A1D47',
    900: '#12142B',
  },
}

$base: #4B59FA;
$base-ink: #FFFFFF;
$base-50: #F0F1FE;
$base-100: #D8DBFD;
$base-200: #B1B7FC;
$base-300: #7A85F5;
$base-400: #4A57E8;
$base-500: #2735CE;
$base-600: #26309C;
$base-700: #21276E;
$base-800: #1A1D47;
$base-900: #12142B;
$base-hover: #0C20F9;
$base-subtle: #D0D3F7;

{
    "color": {
        "base": {
            "value": "#4B59FA",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F1FE",
                "type": "color"
            },
            "100": {
                "value": "#D8DBFD",
                "type": "color"
            },
            "200": {
                "value": "#B1B7FC",
                "type": "color"
            },
            "300": {
                "value": "#7A85F5",
                "type": "color"
            },
            "400": {
                "value": "#4A57E8",
                "type": "color"
            },
            "500": {
                "value": "#2735CE",
                "type": "color"
            },
            "600": {
                "value": "#26309C",
                "type": "color"
            },
            "700": {
                "value": "#21276E",
                "type": "color"
            },
            "800": {
                "value": "#1A1D47",
                "type": "color"
            },
            "900": {
                "value": "#12142B",
                "type": "color"
            }
        }
    }
}

Palettes built on #4B59FA

Color Lab

Pairs with #4B59FA

UI roles & guardrails

In real applications

Scales

Every model

Export